your eyes see, and the eyes of my brother Benjamin
The word "eyes" stands for the entire person. AT: "All of you and Benjamin can see" (See: rc://en/ta/man/translate/figs-synecdoche)
that it is my mouth that speaks to you
The word "mouth" stands for the entire person. AT: "that I, Joseph, am speaking to you" (See: rc://en/ta/man/translate/figs-synecdoche)
about all my honor in Egypt
"how the people in Egypt greatly honor me"
my father down here
It was common to use the word "down" when speaking of traveling from Canaan to Egypt. AT: "my father here to me"